Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 37
Answer: 13 + 37 = 50 -
2. Algebra Substitution
If x = 6, find the value of 3x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 16, 20, 13
Answer: 16.333333333333